Product comparison · 2 monitors

Dahua Technology LM25-B221B computer monitor vs Dahua Technology LM27-F400 computer monitor

74specifications compared
27differ
47identical
16known for one product only

Key differences

Display diagonal
- LM25-B221B computer monitor:62.2 cm (24.5")
- LM27-F400 computer monitor:68.6 cm (27")
Display resolution
- LM25-B221B computer monitor:1920 x 1080 pixels
- LM27-F400 computer monitor:3840 x 2160 pixels
HD type
- LM25-B221B computer monitor:Full HD
- LM27-F400 computer monitor:Quad HD
Display brightness (typical)
- LM25-B221B computer monitor:300 cd/m²
- LM27-F400 computer monitor:350 cd/m²
Contrast ratio (typical)
- LM25-B221B computer monitor:1500:1
- LM27-F400 computer monitor:1000:1
Maximum refresh rate
- LM25-B221B computer monitor:144 Hz
- LM27-F400 computer monitor:60 Hz
Display diagonal (metric)
- LM25-B221B computer monitor:62 cm
- LM27-F400 computer monitor:69 cm
Built-in speaker(s)
- LM25-B221B computer monitor:No
- LM27-F400 computer monitor:Yes

Side by side

Differences highlightedShow differences only

Comparison of LM25-B221B, LM27-F400
90 specifications	A Dahua Technology LM25-B221B computer monitor Model LM25-B221B View product	B Dahua Technology LM27-F400 computer monitor Model LM27-F400 View product
Display7 differ
Display diagonalDiffers	62.2 cm (24.5")	68.6 cm (27")
Display resolutionDiffers	1920 x 1080 pixels	3840 x 2160 pixels
HD typeDiffers	Full HD	Quad HD
Display brightness (typical)Differs	300 cd/m²	350 cd/m²
Response time (MPRT)Known for one	1 ms	Unknown — not stated by the source
Contrast ratio (typical)Differs	1500:1	1000:1
Maximum refresh rateDiffers	144 Hz	60 Hz
Display number of coloursKnown for one	16.7 million colours	Unknown — not stated by the source
Pixel pitchKnown for one	0.2832 x 0.2802 mm	Unknown — not stated by the source
Pixel densityKnown for one	89.91 ppi	Unknown — not stated by the source
Viewable size, horizontalKnown for one	47.6 cm	Unknown — not stated by the source
Viewable size, verticalKnown for one	26.8 cm	Unknown — not stated by the source
Display diagonal (metric)Differs	62 cm	69 cm
Response timeKnown for one	Unknown — not stated by the source	5 ms
Colour depthKnown for one	Unknown — not stated by the source	8 bit
Performanceidentical
Low Blue Light technologyKnown for one	Yes	Unknown — not stated by the source
Operating hours (hours/days)Known for one	Unknown — not stated by the source	24/7
Multimedia1 differ
Built-in speaker(s)Differs	No	Yes
Number of speakersKnown for one	Unknown — not stated by the source	2
RMS rated powerKnown for one	Unknown — not stated by the source	4 W
Designidentical
Market positioningKnown for one	Unknown — not stated by the source	Business
Ports & interfaces2 differ
HDMI ports quantityDiffers	1	2
HDMI versionDiffers	1.4/2.0	2.1
DisplayPort versionKnown for one	Unknown — not stated by the source	1.4
Ergonomics1 differ
Tilt angle rangeDiffers	-5 - 20°	-5 - 15°
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Power6 differ
Energy efficiency class (SDR)Differs	D	F
Energy consumption (SDR) per 1000 hoursDiffers	15 kWh	25 kWh
Power consumption (typical)Differs	19 W	40 W
Power consumption (standby)Differs	0.5 W	0.4 W
Power consumption (max)Differs	23.8 W	48 W
Power consumption (off)Known for one	0.3 W	Unknown — not stated by the source
Current ratingDiffers	2.5 A	4 A
Operational conditions1 differ
Operating relative humidity (H-H)Differs	10 - 85%	10 - 90%
Weight & dimensions5 differ
Width (without stand)Differs	557.7 mm	613.7 mm
Depth (without stand)Differs	58.1 mm	48.7 mm
Height (without stand)Differs	330.6 mm	368.2 mm
Weight (without stand)Differs	2.9 kg	4.5 kg
Bezel width (bottom)Differs	1.96 cm	2 cm
Packaging data4 differ
Package widthDiffers	620 mm	700 mm
Package depthDiffers	134 mm	172 mm
Package heightDiffers	431 mm	477 mm
Package weightDiffers	3.9 kg	5.9 kg

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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